#3B51AA
Color Details
HEX
#3B51AA
RGB
rgb(59, 81, 170)
HSL
hsl(228, 48%, 45%)
CMYK
cmyk(65%, 52%, 0%, 33%)
Best text on this color
#FFFFFF (CR 7.13:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #3B51AA
#3B51AA converts to RGB(59, 81, 170) and HSL(228, 48%, 45%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.
Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).
#3B51AA FAQs
What is the RGB value of #3B51AA?
RGB: 59, 81, 170. Copy as CSS:
rgb(59, 81, 170)
Is #3B51AA a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51AA?
Complement: #aa943c.
Does #3B51AA have good contrast on white or black?
On white: 7.13:1 (AAA (normal text)).
On black: 2.94:1 (Fails AA).